<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8'>
    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
    <title>注册界面</title>
    <meta name='viewport' content='width=device-width, initial-scale=1'>
</head>
<body>
    <form action="#" method="post">
        <table align="center">
            <tr>
                <td>
                    tr
                </td>
            </tr>
        </table>
    </form>
       
</body>
</html>